Server Suite 2026 Release Notes

Release Date: September 30, 2026

These release notes cover information related to the entire Server Suite 2026 release. Be sure to also review the individual release notes for Server Suite services:

Known Issues

For issues that apply to multiple releases, see Server Suite Limitations.

For new issues found in this release, refer to the individual release notes for the various Server Suite services (see the links earlier in this page).

Version Information

This section covers version information for this release. In addition to what is listed in this section, see the following:

  • Supported Versions: Lists the release date and end of support dates for each release.

  • Server Suite Product Component Versions: Lists which component versions are included in each Server Suite release.

  • DB2 Plugin Compatibility: Lists which DB2 plugins are compatible with each version of Server Suite DirectControl, and which DB2 versions are supported for each plugin.

  • Adbindproxy Compatibility: Lists which adbindproxy versions are compatible with each version of Server Suite DirectControl, and which Samba versions are supported for each adbindproxy version.

Supported Platforms

The sections below clarify what operating system platforms Delinea supports for this release of Server Suite, including which platform versions are newly supported.

Newly Added Supported Platforms

  • AlmaLinux 9.8, 10.2

  • Alpine Linux 3.23, 3.24

  • Debian 13.2 - 13.6

  • Fedora Linux 43, 44

  • Oracle Linux 9.8

  • RHEL 9.8, 10.2

  • Rocky Linux 9.8, 10.2

  • SUSE Linux Enterprise 16

  • Ubuntu 26.04

Supported UNIX/Linux Platforms

Supported Platforms CPU Express DirectControl DirectAudit Remark
AlmaLinux 8.5 – 8.10, 9.0 - 9.8, 10.0 - 10.2 x86_64 Yes Yes Yes  
Alpine Linux 3.20 - 3.24 x86_64 No Yes Yes
Amazon Linux 2 LTS aarch64 No Yes Yes
Amazon Linux 2 LTS x86_64 No Yes Yes
Amazon Linux 2023 aarch64 No Yes Yes  
Amazon Linux 2023 x86_64 No Yes Yes  
Debian 11.0 - 11.7, 12.0 - 12.11, 13.0 - 13.6 x86_64 Yes Yes Yes
Fedora Linux 42, 43, 44 x86_64 Yes Yes Yes
Flatcar x86_64 No Yes Yes
IBM AIX 7.2, 7.3 ppc No Yes Yes  
IBM Virtual I/O Server 3.x ppc No Yes Yes
Oracle Linux 8.0 - 8.10, 9.0 - 9.8, 10.0, 10.1 aarch64 No Yes Yes  
Oracle Linux 8.0 - 8.10, 9.0 - 9.8, 10.0, 10.1 x86_64 Yes Yes Yes  
Oracle Solaris 10 u8+, 11.3 -11.4 SPARC No Yes Yes Note 1
Oracle Solaris 10 u8+, 11.3 - 11.4 x86_64 No Yes Yes Note 1
Red Hat Enterprise Linux 8.0 - 8.10, 9.0 - 9.8, 10.0 - 10.2 aarch64 No Yes Yes  
Red Hat Enterprise Linux 8.0 - 8.10, 9.0 - 9.8, 10.0 - 10.2 ppc64le Yes Yes Yes  
Red Hat Enterprise Linux 8.0 - 8.10, 9.0 - 9.8, 10.0 - 10.2 x86_64 Yes Yes Yes  
Rocky Linux 8.5 - 8.10, 9.0 - 9.8, 10.0 - 10.2
 x86_64 Yes Yes Yes  
SUSE Linux Enterprise 15, 16 aarch64 No Yes Yes
SUSE Linux Enterprise 15, 16 ppc64le Yes Yes Yes
SUSE Linux Enterprise 15, 16 x86_64 Yes Yes Yes
Ubuntu Linux 22.04, 24.04, 25.04, 25.10, 26.04 arm64 No Yes Yes Note 2
Ubuntu Linux 22.04, 24.04, 25.04, 25.10, 26.04 ppc64el No Yes Yes Note 2
Ubuntu Linux 22.04, 24.04, 25.04, 25.10, 26.04 x86_64 Yes Yes Yes Note 2

Note 1: Starting with Release 2020, we require the OS patch level update 8 or above on Solaris 10.

Note 2: Smart Card doesn’t work on Ubuntu Linux 24.04 with this release due to a GNOME bug (#7562).

Additional Information

Follow each OS vendor's recommendation to update the necessary patches. Here are the minimum patch requirements for the specific UNIX platforms (CS-45562):

  1. Solaris 10 x86_64

    1. 119255-66
    2. 127128-11
    3. 141445-09
    4. 142910-17

  2. Solaris 10 SPARC

    1. 119254-66
    2. 120011-14
    3. 127127-11
    4. 142909-17

Perl requirement for adbindproxy: To use adbindproxy, Perl version 5.8 or greater is required. This requirement applies to all platforms except Flatcar. For more information about adbindproxy and how it is used in Server Suite, see Introduction to Samba and Adbindproxy .

Supported Windows Platforms

The following 64-bit Windows platforms are supported on DelineaServer Suite:

  • Windows 11 LTSB/LTSC (Note 1)
  • Windows Server 2016
  • Windows Server 2019 LTSC
  • Windows Server 2022 LTSC
  • Windows Server 2025
  • Windows Server Core 2025

Notes:

  1. We support Windows 10 Long Term Servicing Channel (LTSC), or previously called Long Term Servicing Branch (LTSB), editions based on Microsoft's lifecycle factsheet. See Lifecycle FAQ - Windows and Windows 10 Release Information on the Microsoft Learn website.

  2. Server Suite requires specific versions of .NET. For details, see Supported .NET Versions.

We no longer bundle .NET in our installation media starting with Release 19.6. (CS-47940)

Notice of Termination of Support

This is the final release for which we support the following platforms:

  • Alpine Linux 3.20
  • Debian 11
  • Ubuntu 25.04 and 25.10
  • Amazon Linux 2

Starting with this release, we no longer support these platforms:

  • Alpine Linux 3.19

  • Fedora 41

  • HP-UX

  • Ubuntu 24.10

  • Windows 10